做ios的時候總會遇到這樣打問題：用戶點了文本輸入框之後鍵盤遮擋住了原來輸入的位置。

為了解決這個問題，具體需要一下幾步：

1.給當前的UIViewController添加委托

@interface SignupViewController : UIViewController

2.在xib或storyboard裡面將textfield的delegate與controller相連

3.在m文件裡實現委托的方法
<喎?/kf/ware/vc/" target="_blank" class="keylink">vcD4KPHA+PGJyPgo8L3A+CjxwPjxwcmUgY2xhc3M9"brush:java;">- (BOOL)textFieldShouldReturn:(UITextField *)textField { // When the user presses return, take focus away from the text field so that the keyboard is dismissed. NSTimeInterval animationDuration = 0.30f; [UIView beginAnimations:@"ResizeForKeyboard" context:nil]; [UIView setAnimationDuration:animationDuration]; CGRect rect = CGRectMake(0.0f, 0.0f, self.view.frame.size.width, self.view.frame.size.height); self.view.frame = rect; [UIView commitAnimations]; [textField resignFirstResponder]; return YES; } - (void)textFieldDidBeginEditing:(UITextField *)textField { CGRect frame = textField.frame; int offset = frame.origin.y + 32 - (self.view.frame.size.height - 216.0);//鍵盤高度216 NSTimeInterval animationDuration = 0.30f; [UIView beginAnimations:@"ResizeForKeyBoard" context:nil]; [UIView setAnimationDuration:animationDuration]; float width = self.view.frame.size.width; float height = self.view.frame.size.height; if(offset > 0) { CGRect rect = CGRectMake(0.0f, -offset,width,height); self.view.frame = rect; } [UIView commitAnimations]; }